Hierarchy/Derived subclasses
368 / 223 | -> 224 | -> 225 |
uspto searches
Patent Apps in 368/224Granted Patents in 368/224
Use the links above or do an advanced search in ppubs for:
(368/224.ccls. or 368/225.ccls.)
This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.